A re-entrant line model for software product testing

Sarma, VVS and Rao, DV (1997) A re-entrant line model for software product testing. In: Sadhana (Academy Proceedings in Engineering Sciences), 22 (Part 1). pp. 121-132.

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Abstract

In today's competitive environment for software products, quality is an important characteristic. The development of large-scale software products is a complex and expensive process. Testing plays a very important role in ensuring product quality. Improving the software development process leads to improved product quality. We propose a queueing model based on re-entrant lines to depict the process of software modules undergoing testing/debugging, inspections and code reviews, verification and validation, and quality assurance tests before being accepted for use. Using the re-entrant line model for software testing, bounds on test times are obtained by considering the state transitions for a general class of modules and solving a linear programming model. Scheduling of software modules for tests at each process step yields the constraints for the linear program. The methodology presented is applied to the development of a software system and bounds on test times are obtained. These bounds are used to allocate time for the testing phase of the project and to estimate the release times of software.

Item Type:	Journal Article
Publication:	Sadhana (Academy Proceedings in Engineering Sciences)
Publisher:	Indian Academy of Sciences
Additional Information:	Copyright of this article belongs to Indian Academy of Sciences.
Keywords:	Software quality;software process modelling;re-entrant lines;software product testing
Department/Centre:	Division of Electrical Sciences > Computer Science & Automation
Date Deposited:	11 Feb 2010 07:59
Last Modified:	19 Sep 2010 05:01
URI:	http://eprints.iisc.ac.in/id/eprint/18405

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